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they no longer need to keep solutions stored in short-term memory
Les mathématiques sont une idée abstraite
Le boulier : un outil millénaire toujours pertinent à ce jour
nous nous autorisons jusqu'à 2 mm de tolérance par rapport aux dimensions annoncées
parce que cela sera toujours la même chose
Soroban géant pour salle de classe 13 rangées - billes blanches / rouges Boulier-enfant they no longer need toFeatures Size: 58 x 19 cm Ideal for a classroom setting, easily hung on the wall with its friction system on the beads for vertical use. Why choose a Japanese abacus? From age 6 onward, Abacus Universe and its team consider the Japanese abacus to be the most appropriate form of abacus for serious educational use. It is perfectly suited for performing both basic and more complex calculations. It will support your childs learning well beyond elementary
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